F

finance

A financial Tracking app Built on Next.js, firebase and netlify with Playwright for test automation

HLE All-in-One: one self-hosted container for the whole household. Finance, health, meals, home care, travel, wiki, docs vault, files and photos, chat. TanStack Start + Bun + PostgreSQL. Apache-2.0.

Equarian Markets: live macro dashboard for futures traders, with a risk appetite index, regime map, option flow and AI explanations. Vite PWA on Cloudflare Pages. markets.ethantam.dev

Unofficial Go client for the Twelve Data API, generated from the official OpenAPI spec.

A JavaScript library that computes Internal Rate of Return (IRR) and Net Present Value (NPV). https://irr.8hob.io

Julia Package for Financial Monte Carlo Simulations

Shared finances, without the noise. SplitDuo is a lightweight, open-source, self-hosted expense splitting app for small groups / couples, housemates, travel companions, or anyone sharing costs. No subscription, no third-party servers, no data you don't control.

A focused alternative to Splitwise and Cospend, deployable in one docker compose up. Features settlement-aware balances that minimize transfers to settle up, alias mode for subgroup splitting, AI-powered receipt scanning with any OpenAI-compatible endpoint, expense attachments, mobile-first installable PWA, invite-by-email, TOTP 2FA with backup codes, CSV import/export (Splitwise, Cospend, native), per-group stats with charts, full i18n (English and Italian), and an admin panel — all in a single Docker container.

Budget management application

OpenMoneyBox is an application designed to manage small personal money budgets in the easiest way.

Web application to manage personal finances.

Interactive model of U.S. federal debt service as a share of federal revenue, including how that revenue contracts under unemployment and inflation. Static site, no build step, with a weekly data pull from Treasury and BLS.

Personal tracker for investment funds, Polish Treasury bonds, forex trades and capital gains taxes (PIT-38)

Daily US stock briefs that turn market closes, technical signals, and sentiment into KakaoTalk-ready notes.

BalanceForward is an open source deterministic financing specification that helps businesses design sustainable debt-refinancing solutions based on a borrower's income, cost of living, repayment capacity, qualifying debt, and collateral. With a fixed 5% interest rate, maximum 50% collateral advance rate, and 20-year maximum term, BalanceForward provides a modular framework for predictable, transparent, and borrower-centered financing. https://roxanneardary.com/balanceforward/

Special relativity for market data: C++20 library and Linux/Windows tools that label stock and crypto price bars timelike or spacelike using beta, the Lorentz factor and the spacetime interval. Research code, not financial advice.

Quant research lab using special relativity maths on market data: labels price bars timelike or spacelike, detects black-hole wells, with backtests, Monte Carlo and paper trading. One-command Python demo. Research code, not financial advice.

Rust trading library: exact decimal prices, a level-2 order book, ticks to OHLCV candles, 700+ streaming technical indicators, Black-Scholes Greeks, a position ledger and risk limits. Checked types, no panics.

Personal finance tracker for MT940 and CSV bank statements, with graphs, reports, categories, rules, etc

Dumb-as-rocks OHLC analyzer. POST your bars + the indicators you want, get back exactly what you asked for. RSI/MACD/Bollinger/ADX/ATR/VWAP/Ichimoku, plus SMC primitives: Order Blocks, FVGs, BOS/CHoCH, swing structure. Stateless HTTP + MCP, no database, no AI-powered signals, no $97/mo Discord upsell.

Shell script collection. Bash, Zsh, Ksh, and some Python.

A monorepo project for pulling together financial market data from public APIs, validating, cleaning, transforming, enriching, and presenting on a dashboard.